What is Sound? (SOL 5.2)

Front

What is sound?

Back

Sound is a type of energy made by vibrations that travel through matter.

Front

How does a drum make sound?

Back

The drum is struck.

Front

Why does sound not travel through space?

Back

Sound waves only travel where there is matter through which the vibrations can move.

Front

What happens to molecules when sound travels?

Back

Molecules vibrate and move closer together or farther apart.

Front

What do we call the area where molecules are close together in a sound wave?

Back

Compression.

Front

What do we call the area where molecules are spread out in a sound wave?

Back

Rarefaction.

Front

What is a medium in terms of sound?

Back

A medium is any substance (solid, liquid, or gas) through which sound waves can travel.

Front

What type of wave is created by a slinky when it is pushed and pulled?

Back

Compression wave.

Front

What is the speed of sound in air?

Back

Approximately 343 meters per second at room temperature.

Front

What is an example of a sound source?

Back

A guitar, a drum, or a voice.